PHP: Retrieve information about the currently installed GD library

Description

array gd_info ( void )

Gets information about the version and capabilities of the installed GD library.

Return Values

Returns an associative array.

Elements of array returned by gd_info()

Attribute Meaning

GD Version string value describing the installed libgd version.

Freetype Support boolean value. TRUE if Freetype Support is installed.

Freetype Linkage string value describing the way in which Freetype was linked. Expected values are: 'with freetype', 'with TTF library', and 'with unknown library'. This element will only be defined if Freetype Support evaluated to TRUE.

T1Lib Support boolean value. TRUE if T1Lib support is included.

GIF Read Support boolean value. TRUE if support for reading GIF images is included.

GIF Create Support boolean value. TRUE if support for creating GIF images is included.

JPG Support boolean value. TRUE if JPG support is included.

PNG Support boolean value. TRUE if PNG support is included.

WBMP Support boolean value. TRUE if WBMP support is included.

XBM Support boolean value. TRUE if XBM support is included.

Examples

Example #1 Using gd_info()


<?php

var_dump(gd_info());

?>

The above example will output something similar to:

array(9) {
  ["GD Version"]=>
  string(24) "bundled (2.0 compatible)"
  ["FreeType Support"]=>
  bool(false)
  ["T1Lib Support"]=>
  bool(false)
  ["GIF Read Support"]=>
  bool(true)
  ["GIF Create Support"]=>
  bool(false)
  ["JPG Support"]=>
  bool(false)
  ["PNG Support"]=>
  bool(true)
  ["WBMP Support"]=>
  bool(true)
  ["XBM Support"]=>
  bool(false)
}

gd_info

Description

Return Values

Examples

See Also